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PakCircuit
KY-021 Mini Magnetic Reed Module for Arduino
Other Sensor ModulesCode 05fc442a8e

KY-021 Mini Magnetic Reed Module for Arduino

• Operating voltage: 3.3V to 5V • Output type: Digital • Dimensions: 20 x 15 x 7mm • Input voltage: 3.3~5v • Weight: 1.2g • Reed switch: Normally open • Reed…

Rs 149Rs 270-45%
In stock Price updated 15 Nov 2026
Total: Rs 149
  • Delivery in 2 to 4 working daysFree in Islamabad & Rawalpindi above Rs 5,000
  • Cash on deliveryPay when your parcel arrives
  • 7-day checking warrantyDead-on-arrival items replaced
  • Packed with careAnti-static & padded packaging

Highlights

  • Dimensions:20 x 15 x 7mm
  • Input Voltage:3.3~5v
  • Weight:1.2g

Specifications

Operating voltage
3.3V to 5V
Output type
Digital
Dimensions
20 x 15 x 7mm
Input voltage
3.3~5v
Weight
1.2g
Reed switch
Normally open
Reed switch sensitivity
30 gauss
Operating temperature
20°C to 85°C
Storage temperature
40°C to 125°C

About this product

The KY-021 Mini Magnetic Reed Switch Module consists of a 10k resistor and a small reed switch actuated by a magnetic field, commonly used in mechanical systems as proximity sensors. Compatible with popular electronic platforms like Arduino, Teensy, and ESP8266.

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